| 摘要 |
<p>This invention relates to a circuit arrangement for detecting surplus power in a battery. In particular the arrangement comprises a discharge circuit arranged to be connected to the battery terminal, the discharge circuit including a capacitor and having means for detecting the discharging current into the capacitor, said discharging current being dependent on the internal resistance to the battery, a display or indicating device being responsive to said discharging current and being arranged to display or indicate the state of charge of the battery.</p> |
